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ICPR
2008
IEEE
16 years 1 months ago
Image segmentation towards natural clusters
To find how many clusters in a sample set is an old yet unsolved problem in unsupervised clustering. Many segmentation methods require the user to specify the number of regions in...
Zhigang Tan, Nelson Hon Ching Yung
ICPR
2008
IEEE
16 years 1 months ago
Support Vector Data Description for image categorization from Internet images
Training a classifier for object category recognition using images on the Internet is an attractive approach due to its scalability. However, a big challenge in this approach is ...
Xiaodong Yu, Daniel DeMenthon, David S. Doermann
ISBI
2007
IEEE
16 years 1 months ago
Segmentation of Non-convex Regions within Uterine Cervix Images
The National Cancer Institute has collected a large database of uterine cervix images, termed “cervigrams” for cervical cancer screening research. Tissues of interest within t...
Shiri Gordon, Hayit Greenspan
SMA
2005
ACM
133views Solid Modeling» more  SMA 2005»
16 years 23 days ago
Precise Voronoi cell extraction of free-form rational planar closed curves
We present an algorithm for generating the Voronoi cells for a set of rational C1 -continuous planar closed curves, which is precise up to machine precision. Initially, bisectors ...
Iddo Hanniel, Ramanathan Muthuganapathy, Gershon E...
FSTTCS
2004
Springer
16 years 17 days ago
Subdividing Alpha Complex
Abstract. Given two simplicial complexes C1 and C2 embedded in Euclidean space IRd , C1 subdivides C2 if (i) C1 and C2 have the same underlying space, and (ii) every simplex in C1 ...
Ho-Lun Cheng, Tony Tan